BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 183 62%
2 United States 59 20%
3 Germany 32 10.8%
4 Canada 4 1.4%
5 United Kingdom 4 1.4%
6 Taiwan 2 0.7%
7 Australia 2 0.7%
8 Malaysia 2 0.7%
9 Netherlands 2 0.7%
10 New Zealand 2 0.7%
11 Sweden 1 0.3%
12 Hong Kong 1 0.3%
13 Viet Nam 1 0.3%